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Harold S. Henry
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Seattle, WA, US
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last 30 patents
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Patent Grant
Apparatus for forward facing boat rowing
Patent number
5,647,782
Issue date
Jul 15, 1997
Harold S. Henry
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Patent Grant
Apparatus for forward facing boat rowing
Patent number
5,215,482
Issue date
Jun 1, 1993
Harold S. Henry
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT